Stackable calendar



FIG. 1 is a perspective view of the stackable calendar in a first position showing my new design;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a side view;

FIG. 5 is a side view;

FIG. 6 is a top view;

FIG. 7 is a bottom view;

FIG. 8 is a perspective view of the stackable calendar of FIG. 1 in a second alternate position;

FIG. 9 is a perspective view of the stackable calendar of FIG. 1 in a third alternate position;

FIG. 10 is a perspective view of the stackable calendar of FIG. 1 in a fourth alternate position;

FIG. 11 is a perspective view of the stackable calendar in a fifth alternate position;

FIG. 12 is a front view of the stackable calendar of FIG. 11;

FIG. 13 is back view of the stackable calendar of FIG. 11;

FIG. 14 is a side view of the stackable calendar of FIG. 11;

FIG. 15 is another side view of the stackable calendar of FIG. 11;

FIG. 16 is perspectives view of the stackable calendar of FIG. 11 in a second alternate position;

FIG. 17 is a perspective view of the stackable calendar of FIG. 11 in a third alternate position; and,

FIG. 18 is a perspective view of the stackable calendar of FIG. 1 in a fourth alternate position. 

CLAIM The ornamental design for stackable calendar, as shown and described. 